title: Expectation of life.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D002648:Child; D002675:Child, Preschool; D003140:Communicable Disease Control / Q000266:history; D003141:Communicable Diseases / Q000266:history / Q000401:mortality; D005260:Female; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007223:Infant; D008017:Life Expectancy / Q000266:history*; D015993:Life Tables; D008297:Male; D008875:Middle Aged; D009026:Mortality / Q000639:trends; D009519:New York City / Q000453:epidemiology; D012499:Sanitation / Q000266:history*